<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-imgcontent" :src="item.imgUrl">
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
  name: 'Icons',
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {

      }
    }
  },
  computed: {
		pages () {
			const pages = []
			this.iconList.forEach((itme, index) => {
				const page = Math.floor(index / 8)
				if (!pages[page]) {
					pages[page] = []
				}
				pages[page].push(itme)
			})
			return pages
		}
  }
}
</script>

<style lang="stylus" scoped>

@import '~styles/varibles.styl';
@import '~styles/mixins.styl';

.icons >>> .swiper-container
  height:0
  padding-bottom: 50%
.icons
  margin-top: .2rem
  .icon
    position: relative
    overflow: hidden
    width: 25%
    height: 0
    float: left
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      bottom: .44rem
      .icon-imgcontent
        display: block
        margin: 0 .2rem
        height: 100%
    .icon-desc
      position: absolute
      left: 0
      right: 0
      bottom: 0
      height: .44rem
      line-height: .44rem
      color: $drakTextColor
      text-align: center
      ellipsis()
</style>
